Question about Astec SA302-3515 (6500165) 300-Watt Power Supply

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Sick computer My PC turns off by its self in the middle of my work.It also turns on and off some times.Some one told me it was the power supplys that was causeing it.Can you help.

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Check all fans On M/board to see if they are working also that your heat sink on CPU is clean no fluff or dirt clogging vanes this could be an overheating problem
Another quick check is to remove side of case if it stays on longer it definitely is overheating

Posted on Aug 10, 2008

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Suddenly power failure ,when the power returning the pc switched ON the SMPS fan and PC also not working.


My advise to you is to never turn of your computer!
the constant start and stop put stress on your power supply not to mention dust build up and if not properly cleaned the startup process can cause a short which I've seen so many times.
I have a computer which is 8 years old I never wanted to turn it off but leaving for two weeks vacation I turn it off. On my return the startup it shorted yeah dust build up.I had to replace the power supply, still running now. (A warm drive is a happy drive)

Dec 30, 2010 | ASUS PSU | A-45GA 450W RT (A45GA) Power...

1 Answer

My computer is making a buzzing noise the fan is working and friend told me it was probably the power supply


I would first try cleaning the computer and removing as much dust as possible from your computer. Also clean the fans, this could be the reason why your fan is working so hard. Just make sure your computer isn't turned on and not plugged in.

Nov 22, 2009 | Dell 200W ATX Power Supply K0564 Power...

1 Answer

Power supply arcing noise


Disconnect all devices from the power supply EXCEPT the motherboard
Remove any extra cards including video etc.(plug monitor into the onboard)

If the PSU fan does not spin then time for repair / replace

If you hear any beeps these can indictate where the fault is.
either of these sites below will help you further with that

Beep codes Pc

More beep codes

Power up the pc and see if the fans are working.
If not then double check the power connections to the board.

If you still have no fans it is time to suspect the power supply as the probable cause.

If the fans worked then you should have gotten a display which told you there was an error and offering you a chance to go into the BIOS. ignore it and shut down the PC.

Now connect one drive only and boot again.

Repeat that until you identify the component that is giving you a problem.

Once you find the problem then remove or disconnect and carry on with the rest to see if another component might also cause a problem

If there is only one problem device then you may want to investigate that device further, Unless you don't mind replacing it

Oct 09, 2009 | OCZ StealthXStream / 600-Watt / ATX /...

1 Answer

Power supply dies in the middle of the run.


It is obviously dying or incapable of supplying a sufficient flow of power to the system. Before it blows, you will want to buy yourself a new one to prevent losing other components within your system. You can find some very good power supplies at this website. Once the page loads, search for: PC Power & Cooling. After the page loads, select, "PC Power & Cooling" on the left under the category, "Manufacturer."

Make sure you find one that exceeds your power needs by about 100-150 Watts. Yes, they are expensive, but you DO NOT want to skimp on the most important aspect of the computer, power. Wen it comes to power, you get what you pay for. Almost all cheap power-supplies will last you one year and then blow. And once they blow, they frequently take other components with them. Components such as motherboards, memory, CPUs, and Video Cards.

The reason behind picking a PC Power & Cooling PSU is rather self-explanatory. Firstly, they have the highest efficiency rating of any single-rail PSU. Secondly the PSU tends to run cool, thus increasing its life span. Thirdly, they are reliable and provide a steady flow of power. All of this equates to a great power supply which will support your system for a long time.

Let me know if I can assist you further or if I need to explain anything mentioned above in more detail.

Mar 25, 2009 | OEM Systems System Power Supplies

1 Answer

System is not workin properly


You might try this. Shut down the computer, disconnect power cords, disconnect everything at the back of the computer, mouse, key board, etc. Open the case, ground yourself by touching an unpainted area of the case and remove the power connectors to ALL optic drives and floppy drive if you have one. (Of course do not disconnect the hdd.)
Reconnect mouse, keyboard, etc., and power cords to wall outlet.
See if it will post now. If it does I say you have a faulty power supply.
I was given a computer which was doa. It would not post, after I tried the above routine it posted then booted to windows.
I replaced the psu and now the computer works fine.
Hope this helps!

Blunderbuster

Feb 02, 2009 | System Power Supplies

2 Answers

Powers on and turns off 10 - 20 seconds ?????


Check the power supply first, unplup the cd dcd components and try your pc this way,
Check the cpu fan also as this sounds as if the cpu is reaching critical heat ranga and is shutting down the system to protect it self

Dec 19, 2008 | Bestec (ATX-250-12E) 250-Watt Power Supply

1 Answer

HP PC will not turn on.


It sounds that the Power supply Unit is faulty and needs replacement.The ATX powersupply is easy to replace. you can do it yourself. Just remember how you take it out is how you're gonna install a new one back, remember where the connectors go on the mother board. Remove PC from power mains before you work on the PC. Before you touch the inside of the PC just touch the frame of the PC to ground your self to avoid static. Good luck.

Nov 18, 2008 | HP Pavilion Replacement 200w Micro ATX PS3...

1 Answer

Gateway 500x Power Problem


First Thing I would suggest doing is to have an Electrician come and check out the Circuit(s) in your housr that were blowing fuses. As this is likely due to power surges and/or short circuits, and thats likely to be a fire hazzard. Not to mention that it could just as easily damage any repairs you make to your PC.

After you know your electrical lines are OK then we can start on your PC.
There are several components in your PC that are easily damaged by power surges. I will list them in order of their likelyhood to have been damaged, any one or even all of them MAY have been damaged.

Power Supply Unit
Motherboard
CPU (Processor)
Video Card
Ram modules

You could try replacing them one at a time Until you finally get the right ones replaced, but it might be more cost effective to take it to a certified repair facility for Gateway (Best Buy, and Circuit City are both good choices in the US)

I would have them give you an estimate before they do any repairs because if many or ALL of these components were damaged, it might be cheaper to buy a new PC.

Hope this helps
Dave

Nov 03, 2008 | Gateway 250w ATX Power Supply (6500652)...

1 Answer

Computer shuts down


Could be the power supply,Try changing the power supply

Jul 12, 2008 | System Power Supplies

16 Answers

Flashing Green Light on Power BESTEC Power Supply


This is an easy fix so here you go nice and simple:

Problem: Your motherboard circuit has been cut.

Causes: Power disconnected during operation. Power outage or short in the surge protector.

Symptoms: Flashing green light on both motherboard and power supply. System will not power on.

Solution:

Step 1: Ensure that both the power supply and the motherboard lights are flashing green, not solid or off.
Step 2: While the power is on, disconnect the power supply from the motherboard. This connection is the largest of the connections and should be listed as the 'P1' or 'Primary' power connection.

Step 3: Wait until the green light on the motherboard stops flashing and check to ensure that the green light on the power supply is now solid. If it is not solid, disconnect the power to the power supply and wait until the light turns off completely. Then reconnect, it should be solid now.

Step 4: While the power is on, reconnect the P1 connection to the motherboard and you should now see that the light on the motherboard is solid.

Step 5: Power on your PC. The problem should not persist.

Warnings: If the power supply light remains flashing after you have restored power to it while it is disconnected from the motherboard, it may be a system failure in the power supply itself requiring replacement. Always be careful when working with an active or live power machine.

I hope this helped! Good luck!

Jun 23, 2008 | Bestec (ATX-250-12E) 250-Watt Power Supply

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